Home / 4,123.91-5,691.32-2,356.07

Finding the Fourth Proportional to 4,123.91, 5,691.32 and 2,356.07

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Solution

The fourth proportional to 4,123.91, 5,691.32 and 2,356.07 is: 3,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.91 : 5,691.32 = 2,356.07 : x
  2. Step 2: Convert to fraction form
    4,123.91/5,691.32 = 2,356.07/x
  3. Step 3: Cross multiply
    4,123.91x = 5,691.32 × 2,356.07
  4. Step 4: Simplify right side
    4,123.91x = 13,409,136.53
  5. Step 5: Solve for x
    x = 13,409,136.53/4,123.91
  6. Step 6: Final answer
    x = 3,251.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.